359results about How to "Improve water purification efficiency" patented technology

The invention discloses a composite unit for restoration of a landscape water body. The composite unit at least comprises a water quality regulating zone, a filtration and sewage interception zone, an emergent aquatic plant arranging zone, a waterfall reoxygenation zone, an artificial floating island arranging zone, a base and a connecting pipe, wherein the water quality regulating zone is fixed on the filtration and sewage interception zone in an embedded mode, the middle of the emergent aquatic plant arranging zone is provided with a diversion table, the upper part of the diversion table is used for supporting the filtration and sewage interception zone, the filtration and sewage interception zone, the diversion table, the waterfall reoxygenation zone, the artificial floating island arranging zone and the base are respectively provided with a first center hole, a second center hole, a third center hole, a fourth center hole and a fifth center hole, and the connecting pipe passes through the first center hole, the second center hole, the third center hole, the fourth center hole and the fifth center hole to allow the filtration and sewage interception zone, the emergent aquatic plant arranging zone, the waterfall reoxygenation zone, the artificial floating island arranging zone and the base to be fixedly connected from top to bottom. The composite unit has the advantages of high water purification efficiency, no generation of secondary pollution, simple and convenient construction and maintenance, low investment cost and a small occupied water area.

The invention discloses a solar energy water purifier, which comprises a purifying pool, a clean water tank, a condensation plate, a water inlet, a water outlet, a vacuum port and a cooling port, the clean water tank is arranged at one side of the purifying pool, the condensation plate is arranged on the upper end of the purifying pool and the clean water tank, the water inlet is arranged at the upper end of the purifying pool, the water outlet is arranged at the lower end of the purifying pool, the vacuum port is arranged at the top of the purifying pool, and the cooling port is arranged at the upper end of the condensation plate. Through the above mode, the solar energy water purifier has the advantages of high reliability, compact structure, fast purifying speed, low energy consumption, good purifying effect, convenient usage, simple arrangement and low price, and has wide market prospect in sewage purifying and seawater desalination industries.

The invention relates to an aquaculture water purification agent. The purification agent comprises the following components in parts by weight: 200-300 parts of polyaluminium chloride, 200-300 parts of potassium ferrate, 0.1-20 parts of cationoid polyacrylamide, 1-20 parts of powdered sulfur, 10-100 parts of activated carbon, 2-40 parts of calcium oxide, 100-300 parts of zeolite powder, 100-300 parts of kieselguhr and 0.1-5 parts of copper sulphate. The invention further relates to a preparation method of the aquaculture water purification agent. The aquaculture water purification agent is ingenious in design, has a physical purification and chemical agent synergistic effect and an obvious coagulation effect, quickly and thoroughly purifies and is suitable for large-scale popularization and application.

The invention relates to a cavitation and electrocoagulation reactor comprising a hollow cylindrical cathode having a cylindrical anode coaxially disposed therein to form an annular interelectrode gap between the contact surfaces. An inlet sleeve and an outlet sleeve disposed in the respective inlet and outlet of the cathode and abutting against opposite ends of the anode seal the interelectrode gap from the respective inlet and outlet of the cathode. A set of channels disposed in the wall of the inlet sleeve connect the inlet to the interelectrode gap. Similarly, a set of openings disposed in the outlet sleeve connect the interelectrode gap to the cathode outlet. An electrical source has first and second terminals respectively connected to the anode and the cathode. The method for removing contaminants from a contaminated fluid flow involves the simultaneous application of hydrodynamic cavitation and electrocoagulation to the contaminated fluid flow.

The invention mainly discloses a solar water purifier for lakes and a water purification method thereof. According to the technical scheme, the solar water purifier comprises a main body, a purification system, an energy system, a drive unit, a lighting device and a fixation device. The energy system comprises a solar cell panel, a storage battery and a charging panel. An oxygenation chamber, a disinfection chamber and a purifying chamber are arranged inside the main body. An ozone generator, an air compressor, a bubble generator and an aerator pipe are disposed inside the oxygenation chamber. A drug blending tank is arranged inside the disinfection chamber. A purifier is disposed inside the purifying chamber. When the device operates, installation and pilot run of the device are firstly carried out. After successful pilot run, the device is put into a lake. By mobile positioning of the drive unit, a water body undergoes disinfection, oxygenation and purification. The energy system provides energy. Thus, energy is self-sufficient. The solar water purifier has a simple structure, is low-cost and clean. By various purification methods, purification efficiency is high. By the floating and stationary combined design, position of the device can be controlled freely. Thus, repair rate of water body is high. The solar water purifier is easy to operate.

The invention provides a subsurface flow and surface flow complex manmade wetland. The complex manmade wetland comprises a land, a subsurface reservoir and a surface reservoir, a surface collecting pool and a subsurface collecting pool. One side of the land is provided with the subsurface reservoir and the surface collecting pool, and the other side of the land is provided with the subsurface collecting pool and the surface collecting pool. The subsoil of the land is filled with a gravel layer, and the upper soil is covered with a pastoral earth; the filling depth ratio between the gravel layer and the pastoral earth is 3: 2. Emersed plant, floating plant and submerged plant are planted on the pastoral earth of the upper soil of the land; the subsurface collecting pool is communicated with the surface reservoir through a water pipe equipped with a valve. The invention combines the advantages of subsurface wetland and surface wetland such as high water purification efficiency, high water quality, high hydraulic load, low investment and operational charge, and good treatment effect; according to actual need, a plurality of measures can be used such as alternatively adopting subsurface flow and surface flow, subsurface flow and surface flow.

The invention relates to apparatuses, systems, and methods for the treatment of contaminated fluids, in particular water. The system is generally a continuous flow system including a multi-stage cavitation device, an electrocoagulation device, and an air flotation unit. The electrocoagulation device includes a plurality of interweaved cathode and anode plates. The anode plates are coated with an oxygen generating mixed-metal oxide coating. The air flotation unit includes a cavitation aerator and electrode blocks to introduce air bubbles into the fluid. Contaminants attach to the air bubbles and float to the fluid surface where they are removed as sludge. Treated fluid is passed through a final filtration system. The methods involve the processes imparted by the various apparatuses on the fluid.

The method is to do photochemical oxidizing reaction to sewage preprocessed by chemical coagulating sedimentation. Special photochemical oxidizing apparatus is used to make sewage being fully mixed with nanometre photochemical catalyst powder on condition of lighting, then producing photochemical oxidizing reaction, thus harmful substances are oxidized and reducted.

The invention provides a preparation method of a nanometer starch-based flocculating agent with a heavy metal trapping effect. The nanometer starch-based flocculating agent adopts nanometer starch as a basic skeleton, and the sewage flocculating agent with a heavy metal trapping effect is obtained on the basis of polymer modification. The preparation method of the nanometer starch-based flocculating agent comprises the following steps: 1, preparing nanometer starch by using a sodium hydroxide/urea/water mixed alkaline hydrolysis freeze-thawing process; 2, cross-linking the nanometer starch to obtain cross-linked nanometer starch; 3, initiating acrylamide free radical polymerization by the cross-linked nanometer starch to obtain a cross-linked nanometer starch acrylamide polymer; and 4, reacting the cross-linked nanometer starch acrylamide polymer with carbon disulfide under alkaline conditions to obtain cross-linked nanometer starch acrylamide xanthogenate with heavy metal trapping and flocculating effects. The nanometer starch-based flocculating agent prepared in the invention has flocculating and heavy metal trapping dual effects, has the advantages of small use amount, low treatment cost and high water purifying efficiency, is especially suitable for treatment of supplied municipal water, industrial wastewater and domestic sewage, and is an efficient environmentally-friendly organic polymeric flocculating agent.

The invention provides a high efficiency fluidization upward flow multilayer composite filter material biological filter tank coupled with ozonation and a water treatment method thereof, relating to a biological filter tank and a water treatment method using the biological filter tank. The biological filter tank is composed of an upper filter material, a medium filter material, a lower filter material and a supporting layer, wherein the upper filter material is active carbon, anthracite or biological ceramsite, the medium filter material is modified zeolite, natural zeolite or synthetic zeolite and the lower filter material is a phosphorus functional material. The filter tank is characterized by fast start, a complex and stable biological phase, great biomass, high activity, strong impact resistance, a filter material expansion rate of 0% to 50%, small resistance at the head of the filter tank, high mass transfer efficiency of materials, oxygen and pollutants, a high utilization rate of filter layers and filter materials and small possibility of occurrence of hardening of the filtering materials. The filter tank is applicable to treatment of raw water in which the concentration of water source phosphorus, ammonia nitrogen and organic pollutants fluctuates and can stably operate at a low temperature.

A chemical to enrich oxygen, and disinfect and clean water for culturing aquatic products is a coated three-element addition of sodium sulfate, hydrogen peroxide and sodium chloride. Its preparing process features that the stabilizer is added in its synthesizing procedure for preventing the decomposition of hydrogen peroxide and product, and increasing the output rate and the content of active oxygen.

The invention relates to a well drilling wastewater flocculation precipitation treatment device. The device comprises a flocculation reaction tank, a flocculation settling basin and an intermediate tank, the flocculation reaction tank is provided with a stirring device, the flocculation settling basin and the intermediate tank are arranged on a well site, the flocculation reaction tank is provided with a water feeding port, a chemical feed port and a water discharge port, the water feeding port, the chemical feed port and the water discharge port are communicated to the outside, a communication valve is arranged between the flocculation settling basin and the intermediate tank, a first water pump is disposed between the flocculation settling basin and the flocculation reaction tank, the flocculation settling basin is communicated with a water inlet end of the first water pump, a water outlet end of the first water pump is communicated with the flocculation reaction tank, the flocculation reaction tank is communicated with the flocculation settling basin and the intermediate tank which are arranged on the well site to form a water circulation to collaboratively store water bodies, defects that the transportation is difficult, and uniform stirring is hardly achieved when the flocculation reaction tank is oversize are overcome, the required volume of the flocculation settling basin is reduced, besides, the water bodies formed by well drilling wastewater and flocculating agents are maintained in a flow state all the time, and the dissolving efficiency of the flocculating agents is improved.

The invention discloses a novel photocatalysis filter tank device and a water treatment system. The filter tank device consists of a device outer wall, an ultraviolet lamp tube, a tower tray support column, a filter material and a filter material tower tray, wherein a transparent glass bead carrier is taken as the filter material, and waste water is treated by a nanometer TiO2 film with the capability of effectively degrading organic pollutants through photo-catalytic oxidation under the irradiation of ultraviolet light.. The water treatment system mainly comprises a filter bed, an illumination system, a water distribution system and a backflow system. The novel photocatalysis filter tank device organically combines the conventional biomembrane filtering tank with the advanced photocatalysis treatment process, is ingenious in design and compact in layout, allows a light source to be uniformly distributed in the filter material, has a good hydraulic power condition, can fully utilize light energy, does not need aeration, does not generate sludge and secondary pollution, is convenient to operate and simple to maintain, is high in water-quality purification efficiency and sterilization capability, and is mainly applied to the fields of reclaimed water reuse, deep sludge (waste) water treatment and the like.

The invention discloses intensive integrated water purification equipment. The equipment is separated into five sections according to difference of water purification units, and the five sections are connected through flanges; and the equipment is provided with a mud collecting area, a primary flocculation area, an inner-cylinder clustering flocculation area/and an outer-cylinder sludge concentration area, a sludge separation area, an inclined tube sedimentation area, a backwashing gas distribution area, a filtration area, and a clear water area from bottom to top. The equipment is provided with devices such as an agitator blade used for particles to form agglomerated floc, a rotary gas distribution plate used for gas-water backwashing of a filter material, small-space spiral sloping panels used for concentrating sludge and the like; and the whole equipment is simple in structure, water purification functional units are compactly connected, the flat plane utilization rate is high, and the equipment is convenient to operate, can maximize the water purification function, and has important practical significance for medium and small water supply systems.

The invention mainly discloses a system and method for landscape fishpond purification treatment. According to the technical scheme, the system comprises a water quality monitoring device, a water purification device and a water surface decontamination device, the water purification device comprises a shell, a water inlet pipe, an aerator pipe, a blowdown pipe and a water outlet pipe, a filtering area, an active mud area and a sterilization area are arranged in the shell from inside to outside in sequence in a nested mode, and both the water inlet pipe and the blowdown pipe are connected with the filtering area; the water outlet pipe is connected with the sterilization area, the two ends of the aerator pipe are located outside the active mud area and the shell respectively, and the water surface decontamination device comprises a collection box, a stain adsorption head and a stain adsorption pipe. The method comprises the steps of 1, installing the water purification device; 2, installing the water surface decontamination device; 3; conducting water quality detection; 4, conducting water purification; 5, conducting water surface purification; 6, conducting detection again; 7, cleaning the devices. The system is reliable in performance, water purification can be conducted automatically, water quality purification efficiency is high, treatment time and period are short, and normal operation of a fishpond system is guaranteed.

The invention discloses a mariculture water body purification composite microbial preparation, and belongs to the technical field of water body purification. The contents of component concentrated bacterial powders of the composite microbial preparation comprise 20-50% of bacillus subtilis, 5-15% of bacillus licheniformis, 10-30% of bacillus cereus, 1-5% of pseudomonas aeruginosa, 1-5% of rhodococcus erythropolis, 5-10% of pseudomonashalophila, 5%-15% of rhodopseudomonas palustris, and 15%-40% of enterococcus faecium. After the bacterial powders are mixed in proportion, packaging is carried out by adopting a water soluble material. The composite microbial preparation is put into a mariculture water body, enables dominant strains to be reproduced rapidly, allows culture pond redundant remnant feeds, feces, animal and plant dead bodies and other organic pollutants to be decomposed by active and abundant enzyme systems, and can significantly reduce the contents of ammonia nitrogen and nitrite in the culture water body.

The invention discloses a construction method of a lake water purification system. The method includes the steps of: (a) site surveying; (b) site construction; (c) precipitation zone configuration; (d) aeration zone configuration; (e) compounding zone configuration; (f) ecological planting zone configuration; (g) floating island unit establishing; and (h) regional beautification. The method provided by the invention has the advantages of simple construction, short construction period and cost saving, and after construction, the purification system has the functions of water storage, flood control, and water and air purification, can protect biodiversity, adjust microclimate and improve environmental quality, thus laying the foundation for water quality improvement of regional lake water.

The invention discloses a preparation method and device for a bottom blowing type photocatalytic porous permeable brick. The preparation device for the bottom blowing type photocatalytic porous permeable brick is characterized by comprising a forming die, a breathable end cover, a porous lining board, a draw bar, a nylon mesh, an air inlet pipe and a water draining pipe. The preparation method for the bottom blowing type photocatalytic porous permeable brick comprises the following steps: (1) smashing straw into particles with the length of 1-2cm; (2) putting the straw particles into a water glass solution to be soaked for 30 minutes, then taking out, and drying; (3) soaking in tung oil for 5 minutes, and then drying; (4) uniformly mixing the straw particles, cement, river sand, water glass, chopped fiber glass filaments, a cement foaming agent and water; (5) pouring mixed slurry into the forming die, and introducing CO2 gas at the temperature of 80 DEG C for curing; (6) drying for 5-7 days; (7) carrying out heat preservation on a porous brick for 1 hour at the temperature of 150 DEG C, slowly heating to 400 DEG C, carrying out heat preservation for 5 hours, and carrying out furnace cooling; and (8) impregnating and drawing a porous permeable brick in a photocatalytic plating solution for 5 minutes and then drying, and repeating for 3-4 times, so that the photocatalytic porous permeable brick is obtained.

The invention provides an electromagnetic centrifugal type water purifier and a purifying method thereof. The water purifier mainly comprises a propeller (4), a separating barrel (5), an anode (2), a cathode (9), an electromagnet pole N and an electromagnet pole S (13); a water inlet (8) is formed in the top of the separating barrel (5); a concentrated water central water outlet (7) is formed at the bottom end of the propeller (4); a concentrated water outer wall water outlet (11), a clean water guide slot (6) and a clean water outlet (12) are further formed in the bottom of the separating barrel (5); the outer surface of the anode (2) is packaged with an anode insulating layer (3); and the outer wall of the separating barrel (5) is packaged with a cathode insulating layer (10). According to the water purifying method disclosed by the invention, impurities comprising particles, bacteria, macromolecules, heavy metals, cations, anions and the like in water are separated by reasonably utilizing centrifugal force, electric field force and lorentz force simultaneously, so that water is purified; and the water purifying effect is optimal by controlling three parameters of fluid rotation speed, radial electric field intensity, and longitudinal magnetic field size. In order to completely separate anions and cations, the electromagnetic centrifugal type water purifier adopts two-stage purification, wherein direction of electromagnetic fields of second-stage purification is reverse to that of electromagnetic fields of first-stage purification. The electromagnetic centrifugal type water purifier adopts a circulating water path design, so that water purifying efficiency is improved and a wastewater ratio is reduced.

The invention relates to a silt and sewage treatment method, and belongs to the technical field of mine sewage treatment. The method comprises the following steps: (1) performing silt separation, namely performing primary separation on the silt and the sewage, and separating sand out; (2) performing sedimentation treatment, namely adding 0.2 to 0.4 mass percent solution of anionic polyacrylamide into the sewage, then adding 0.1 to 0.3 mass percent solution of anionic polyacrylamide into the sewage after sediment is generated, and separating the sediment out; and (3) performing sediment filter pressing, namely filter-pressing the sediment separated out by the step (2). The method of the invention effectively solves the mine sewage treatment problem, and separates three useful substances out comprising coarse sand, fine sand and sludge so as to increase the creation income of the enterprise.

The invention relates to the field of water purification, particularly to a water purification method. The method comprises the following steps: the detection step: detecting the water quality of original water to obtain a detection result; the recommendation step: providing a plurality of alternative filter element schemes according to the detection result and the preset water purification purpose, wherein each filter element scheme comprises a plurality of filter element combinations; the mounting step: mounting a plurality of the filter elements included in the filter element combinations according to the selected filter element scheme; the calculation step: counting the water flow, and calculating the service life of the filter elements; the judgment step: judging whether the service life of the filter elements expires or not, and if yes, carrying out the mounting step. According to the water purification method, after the detection result of the water quality of the original water is obtained, the filter scheme is selected and the filer elements are mounted according to the preset water purification purpose, so that the targeted water purification is achieved, the water purification efficiency is improved, and the use rate of water resource is increased.

The invention belongs to the technical field of water purification, and particularly relates to a portable forward osmosis water purification bag and a using and cleaning method thereof. The portable forward osmosis water purification bag comprises an outer bag and an inner bag, wherein the outer bag is used for containing raw water; the inner bag is arranged in the outer bag and used for containing an absorbing liquid; the outer bag is made of a waterproof material; the inner bag is made of a forward osmosis membrane material; and furthermore, water inlets and water outlets are respectively formed in the outer bag and the inner bag in a staggered manner. According to the portable forward osmosis water purification bag, emergency drinking water can be provided at high efficiency; with a cross-flow cleaning technology as a support, the related structure capable of achieving forward-osmosis cross-flow cleaning is designed; the pollutants intercepted on the surface of the forward osmosis membrane surface are effectively removed; the service life of the water purification bag is prolonged; and the portable forward osmosis water purification bag is suitable for field application, and especially suitable for the conditions of army officers and soldiers or personnel for executing the task outdoors.

A suspended water improving using super-concentrated phycobacteria for microecological balance contains proportionally the concentrated seaweed liquid, concentrated bacteria liquid, special nutritive liquid and suspending agent. It has high effect to improve water quality.